2. REVENUE RECOGNITION - Revenue disaggregated (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Net revenues	$ 25,122	$ 20,518	$ 21,765
Contract manufacturers
Disaggregation of Revenue [Line Items]
Net revenues	1,234	1,614	4,450
Distribution
Disaggregation of Revenue [Line Items]
Net revenues	23,436	18,809	16,636
OEMs
Disaggregation of Revenue [Line Items]
Net revenues	$ 452	$ 95	$ 679

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details